Cells
These are made up of cells, which are the basic units of life.
What are all living things?
This organ pumps blood throughout the body.
What is the heart?
The system that provides structure to the body and protects organs.
What is the skeletal system?
The ribs protect these 2 organs.
What are the heart and lungs?
Adults have this many bones in our body.
What is 206 bones?
This is the control center of the cell where DNA is found.
What is the nucleus?
This organ controls thinking, memory, and coordination for the whole body.
What is the brain?
This system includes the brain and spinal cord and controls bodily functions.
What is the nervous system?
This is the most important involuntary muscle we have.
What is the heart?
Babies are born with this many bones in their body.
What is 270 bones?
This organelle is known as the “powerhouse of the cell” because it produces energy in the form of ATP.
What are mitochondria?
This organ takes in oxygen and removes carbon dioxide when you breathe.
What is the lungs?
This system is responsible for taking in oxygen and releasing carbon dioxide.
What is the respiratory system?
This is the largest organ in/on the body.
What is the skin? (it covers the entire outside of the body - about 20 square feet in an average adult)
It takes this long for blood to pump all the way around your body once.
What is 60 seconds?
These structures in plant cells capture sunlight to make food through photosynthesis.
What are chloroplasts?
This organ is a muscular tube that moves food from the mouth to the stomach.
What is the esophagus?
This system’s main function is to produce offspring.
What is the reproductive system?
This is where the smallest bone in your body is located.
What is the ear? (it is called "stapes" and is one of the three tiny bones in the middle ear)
This is the average number of times the human heart beats in one day.
What is 100,000 times a day?
This type of cell does not have a nucleus, and the DNA floats freely in the cell.
What is a bacteria cells?
This organ protects your body, helps regulate temperature, and allows you to feel touch and pain.
What is the skin?
This system defends against infection and maintains fluid balance.
What is the immune system?
This organ can regenerate itself, growing back even if this half of it is removed.
What is the liver?
The human brain contains roughly this many neurons.
What is 86 billion?